Bamboo-like Crystals Help Tiny Chip Wires Keep Shrinking

Image: Lynne Gignac/IBM

Copper Crystals Contained: The banded appearance of this cross section of a copper interconnect reveals a crystal structure that could carry current better in future chips.

When it comes to talk of the end of Moore’s Law, transistors attract much of the attention. But the kilometers of copper wires that connect these devices on each chip have miniaturization problems of their own.

Now it seems the issue might not be as bad as engineers once thought. A team...

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